Home / 121,708.07-182,562.08-50,629.35

Finding the Fourth Proportional to 121,708.07, 182,562.08 and 50,629.35

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Solution

The fourth proportional to 121,708.07, 182,562.08 and 50,629.35 is: 75,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,708.07 : 182,562.08 = 50,629.35 : x
  2. Step 2: Convert to fraction form
    121,708.07/182,562.08 = 50,629.35/x
  3. Step 3: Cross multiply
    121,708.07x = 182,562.08 × 50,629.35
  4. Step 4: Simplify right side
    121,708.07x = 9,243,000,018.90
  5. Step 5: Solve for x
    x = 9,243,000,018.90/121,708.07
  6. Step 6: Final answer
    x = 75,944.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.